diff options
Diffstat (limited to 'tcm/synaptics_touchcom_func_base.c')
| -rw-r--r-- | tcm/synaptics_touchcom_func_base.c | 100 |
1 files changed, 89 insertions, 11 deletions
diff --git a/tcm/synaptics_touchcom_func_base.c b/tcm/synaptics_touchcom_func_base.c index 8c9d0b2..df9afb1 100644 --- a/tcm/synaptics_touchcom_func_base.c +++ b/tcm/synaptics_touchcom_func_base.c @@ -1636,7 +1636,7 @@ exit: */ int syna_tcm_send_command(struct tcm_dev *tcm_dev, unsigned char command, unsigned char *payload, - unsigned int payload_length, unsigned char *resp_code, + unsigned int payload_length, unsigned char *code, struct tcm_buffer *resp, unsigned int delay_ms_resp) { int retval = 0; @@ -1646,7 +1646,7 @@ int syna_tcm_send_command(struct tcm_dev *tcm_dev, return _EINVAL; } - if (!resp_code) { + if (!code) { LOGE("Invalid parameter\n"); return _EINVAL; } @@ -1655,21 +1655,49 @@ int syna_tcm_send_command(struct tcm_dev *tcm_dev, command, payload, payload_length, - resp_code, + code, delay_ms_resp); - if (retval < 0) { - LOGE("Fail to send command 0x%02x\n", - command); + + LOGD("Status code returned: 0x%02x\n", *code); + + /* exit if no buffer provided */ + if (!resp) goto exit; + + /* if gathering a report, copy to the user buffer */ + if ((*code >= REPORT_IDENTIFY) && (*code != STATUS_INVALID)) { + if (tcm_dev->report_buf.data_length == 0) + goto exit; + + syna_tcm_buf_lock(&tcm_dev->report_buf); + + if (syna_tcm_buf_copy(resp, &tcm_dev->report_buf) < 0) { + LOGE("Fail to copy data, report type: %x\n", + *code); + syna_tcm_buf_unlock(&tcm_dev->report_buf); + retval = _ENOMEM; + goto exit; + } + + syna_tcm_buf_unlock(&tcm_dev->report_buf); } - /* response data returned */ - if ((resp != NULL) && (tcm_dev->resp_buf.data_length > 0)) { - retval = syna_tcm_buf_copy(resp, &tcm_dev->resp_buf); - if (retval < 0) { - LOGE("Fail to copy resp data\n"); + /* if gathering a response, copy to the user buffer */ + if ((*code > STATUS_IDLE) && (*code <= STATUS_ERROR)) { + if (tcm_dev->resp_buf.data_length == 0) + goto exit; + + syna_tcm_buf_lock(&tcm_dev->resp_buf); + + if (syna_tcm_buf_copy(resp, &tcm_dev->resp_buf) < 0) { + LOGE("Fail to copy resp data, status code: %x\n", + *code); + syna_tcm_buf_unlock(&tcm_dev->resp_buf); + retval = _ENOMEM; goto exit; } + + syna_tcm_buf_unlock(&tcm_dev->resp_buf); } exit: @@ -1705,3 +1733,53 @@ int syna_tcm_enable_predict_reading(struct tcm_dev *tcm_dev, bool en) return 0; } +/** + * syna_tcm_get_message_crc() + * + * this function is used to return the crc of message retrieved previously + * + * @param + * [ in] tcm_dev: the device handle + * + * @return + * 2 bytes crc value + */ +unsigned short syna_tcm_get_message_crc(struct tcm_dev *tcm_dev) +{ + if (!tcm_dev) { + LOGE("Invalid tcm device handle\n"); + return _EINVAL; + } + + return tcm_dev->msg_data.crc_bytes; +} + +/** + * syna_tcm_set_reset_occurrence_callback() + * + * Set up callback function once an unexpected reset received + * + * @param + * [ in] tcm_dev: the device handle + * [ in] p_cb: the pointer of callback function + * [ in] p_cbdata: pointer to caller data + * + * @return + * on success, 0 or positive value; otherwise, negative value on error. + */ +int syna_tcm_set_reset_occurrence_callback(struct tcm_dev *tcm_dev, + tcm_reset_occurrence_callback_t p_cb, void *p_cbdata) +{ + if (!tcm_dev) { + LOGE("Invalid tcm device handle\n"); + return _EINVAL; + } + + tcm_dev->cb_reset_occurrence = p_cb; + tcm_dev->cbdata_reset = p_cbdata; + + LOGI("enabled\n"); + + return 0; +} + |